🇨🇿 Czechia Open Source Developers

The community of talented open source developers driving innovation and collaboration in the tech industry.

Developers

6,290

Organizations

839

Repositories

41,533

Top Rank

Shell, C, Lua

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries

TOP Users

101
Mike (@MikeKovarik)

MikeKovarik

JavaScript, HTML
1,052
star
102
David Rosca (@nowrep)

nowrep

C++, C, Lua
1,052
star
103
Petr Šťastný (@SoptikHa2)

SoptikHa2

Rust, C#, Python
1,048
star
104
Dmitry Dygalo (@Stranger6667)

Stranger6667

Python, Rust
1,042
star
105
Tomas Krejci (@tomas789)

tomas789

C++, Python, HTML
1,038
star
106
Tomáš Nekvinda (@Tomiinek)

Tomiinek

Python, C++, Pascal
1,009
star
107
Tomáš Iser (@tomasiser)

tomasiser

C++, Java, Vim Script
1,007
star
108
Riki Fridrich (@fczbkk)

fczbkk

JavaScript, CoffeeScript, Vue
1,004
star
109
Jakub Arnold (@darthdeus)

darthdeus

Ruby, Haskell, Rust
988
star
110
Petr Havlena (@havlenapetr)

havlenapetr

C, Java, C++
981
star
111
Vojtěch Boček (@Tasssadar)

Tasssadar

C++, C, Java
974
star
112
Jakub Scholz (@scholzj)

scholzj

Java, Shell, HCL
966
star
113
Tomáš Martykán (@martykan)

martykan

Java, JavaScript, Swift
952
star
114
Mariusz Kotas (@Marfusios)

Marfusios

C#, TypeScript, HTML
949
star
115
@chylex

chylex

Java, Kotlin, C#
947
star
116
Tomas Petricek (@tpetricek)

tpetricek

F#, HTML, TeX
946
star
117
Jiří Šebek (@jirsbek)

jirsbek

CSS, PHP
939
star
118
Martin Franc (@francma)

francma

CSS, C, Meson
928
star
119
Martin Tůma (@tumic0)

tumic0

C++, C, Smarty
925
star
120
Adam Horacek (@adamhoracek)

adamhoracek

Objective-C
910
star
121
Ondřej Nepožitek (@OndrejNepozitek)

OndrejNepozitek

C#, JavaScript
901
star
122
Petr Ruzicka (@ruzickap)

ruzickap

Shell, Dockerfile, Jinja
897
star
123
Erdin Kacan (@Ludomancer)

Ludomancer

C#, CSS, HTML
897
star
124
Ondřej Surý (@oerdnj)

oerdnj

C, Shell, C++
896
star
125
Jirka Borovec (@Borda)

Borda

Python, Jupyter Notebook, Dockerfile
890
star
126
Martin Hochel (@Hotell)

Hotell

TypeScript, JavaScript
884
star
127
Adam Schubert (@Salamek)

Salamek

Python, PHP, Go
881
star
128
Tomas Vondra (@tvondra)

tvondra

C, PLpgSQL, Shell
868
star
129
Alex Devero (@alexdevero)

alexdevero

TypeScript, JavaScript, HTML
863
star
130
@Chleba

Chleba

JavaScript, Rust, Python
847
star
131
Radek Vymětalík (@RadekVyM)

RadekVyM

C#, CSS, JavaScript
846
star
132
Martin Allien (@AllienWorks)

AllienWorks

CSS, Shell
841
star
133
Marek Fořt (@fortmarek)

fortmarek

Swift, Java, JavaScript
840
star
134
Dan R. (@deathkiller)

deathkiller

C++, C#, C
838
star
135
Charles Assunção (@assuncaocharles)

assuncaocharles

TypeScript, JavaScript, C#
833
star
136
Sasha Aliashkevich (@sasha-alias)

sasha-alias

Python, JavaScript, CSS
832
star
137
Petr Medek (@me2d13)

me2d13

Pascal, C++, Python
826
star
138
Honza Král (@honzakral)

honzakral

Python
822
star
139
Slush (@slush0)

slush0

Python, PHP, JavaScript
815
star
140
Filip Němeček (@nemecek-filip)

nemecek-filip

Swift, HTML, JavaScript
815
star
141
Matus Novak (@matusnovak)

matusnovak

C++, C, Python
811
star
142
Michal Busta (@MichalBusta)

MichalBusta

Python, C++, C
811
star
143
Tomas Vymazal (@MyOwnClone)

MyOwnClone

C#, C++, C
792
star
144
David Schovanec (@schovi)

schovi

JavaScript, Crystal, Ruby
792
star
145
Luca D'Alberti (@dalu93)

dalu93

Swift, Objective-C, JavaScript
790
star
146
Ciaran Fisher (@ciribob)

ciribob

Lua, C#, C++
784
star
147
@rkadlec

rkadlec

Jupyter Notebook, Python
766
star
148
Filip Matzner (@FloopCZ)

FloopCZ

Shell, C++
765
star
149
Petr Vostřel (@pisi)

pisi

JavaScript
754
star
150
Nemanja Mijailovic (@Metalnem)

Metalnem

C#, Go, JavaScript
753
star
151
Martin Pecka (@peci1)

peci1

Java, JavaScript, C++
741
star
152
Vaclav (@bruxy70)

bruxy70

Python, C++, Jupyter Notebook
737
star
153
ashlen (@thesadru)

thesadru

Python, HTML, C#
733
star
154
@Crauzer

Crauzer

C#, TypeScript, Rust
698
star
155
Sergei ZH (@quentincaffeino)

quentincaffeino

GDScript, JavaScript, Makefile
696
star
156
Tomas Barton (@deric)

deric

Ruby, Java, Shell
695
star
157
Pavel Dedik (@paveldedik)

paveldedik

Python, CSS, Jupyter Notebook
688
star
158
Charlesmudy (@charlesmudy)

charlesmudy

HTML
688
star
159
Tomas Sedovic (@tomassedovic)

tomassedovic

Python, Rust, CoffeeScript
683
star
160
Anton Skorochod (@kanocz)

kanocz

Go, C++, C
679
star
161
David Frnoch (@dfrnoch)

dfrnoch

TypeScript, Python, JavaScript
669
star
162
Pavel H (@slowscript)

slowscript

Java, HTML, C#
668
star
163
Josef Gajdusek (@atx)

atx

Python, C, C++
664
star
164
Tomas Vojir (@vojirt)

vojirt

C++, Python, MATLAB
659
star
165
Tomáš Znamenáček (@zoul)

zoul

Objective-C, Swift, Ruby
657
star
166
Yevhen Kuzmovych (@kuzmoyev)

kuzmoyev

Jupyter Notebook, Python, TeX
652
star
167
Jan Forst (@darosh)

darosh

JavaScript, HTML, Vue
652
star
168
Tomáš Hübelbauer (@TomasHubelbauer)

TomasHubelbauer

JavaScript, Markdown, TypeScript
652
star
169
Ondrej Texler (@OndrejTexler)

OndrejTexler

C++
650
star
170
Jakub Hlusička (@Limeth)

Limeth

Rust, Java, GLSL
648
star
171
Midori Kocak (@midorikocak)

midorikocak

PHP, HTML, JavaScript
638
star
172
@Cvolton

Cvolton

C++, Java, Python
635
star
173
Josef Pihrt (@josefpihrt)

josefpihrt

C#, JavaScript, Vim Snippet
628
star
174
Tomas (@viktomas)

viktomas

Go, JavaScript, Ruby
619
star
175
Lukáš Petr (@LukasCZ)

LukasCZ

Objective-C, Swift
617
star
176
Martin Endler (@pokusew)

pokusew

JavaScript, Shell, TeX
613
star
177
Martin Majlis (@martin-majlis)

martin-majlis

Python, PHP, C++
609
star
178
Petr Zemek (@s3rvac)

s3rvac

Python, Vim Script, Rust
606
star
179
Roman Parak (@rparak)

rparak

Python, C#, C
602
star
180
Tom Pažourek (@tompazourek)

tompazourek

C#
600
star
181
Ondřej Hruška (@MightyPork)

MightyPork

C, JavaScript, Python
599
star
182
Jan Muller (@biokys)

biokys

Java, JavaScript
585
star
183
Jan Kuča (@jankuca)

jankuca

JavaScript, CoffeeScript, PHP
584
star
184
@djdagovs

djdagovs

Shell, PHP, HTML
565
star
185
Tee (@teeteeteeteetee)

teeteeteeteetee

C#, JavaScript, C++
565
star
186
Martin Kluska (@pionl)

pionl

PHP, JavaScript, Dockerfile
563
star
187
Tomas Korcak (@korczis)

korczis

Ruby, Shell, JavaScript
561
star
188
Alexey Ardov (@ardov)

ardov

TypeScript, CSS
558
star
189
Daniel Fiser (@danfis)

danfis

C, C++, Python
558
star
190
Martin Cohen (@martincohen)

martincohen

C
553
star
191
Jan Breuer (@j123b567)

j123b567

C, C#, Java
550
star
192
Martin Šťovíček (@stovmascript)

stovmascript

JavaScript
542
star
193
Denis Zykov (@deniszykov)

deniszykov

C#
537
star
194
Tomáš Báča (@klaxalk)

klaxalk

C, Shell, C++
535
star
195
Jølly Good (@good-lly)

good-lly

TypeScript, HTML, Python
528
star
196
Jakub Čábera (@Ash258)

Ash258

PowerShell, Java, C
528
star
197
Tonda Fischer (@raven2cz)

raven2cz

Lua, CSS, Emacs Lisp
527
star
198
Petr Broz (@petrbroz)

petrbroz

JavaScript, TypeScript, C#
527
star
199
Ondrej Kokes (@kokes)

kokes

Python, Jupyter Notebook, JavaScript
526
star
200
Mustafa Ozhan (@mustafaozhan)

mustafaozhan

Kotlin, Swift, Shell
525
star

Statistics

By location

Prague 64.4%
Brno 21.0%
Ostrava 2.2%
Pilsen 1.5%
Liberec 1.0%
Other 10.0%

By programing language

JavaScript
 		15.8%
Python
 		14.9%
C++
 		8.3%
Java
 		8.1%
PHP
 		8.0%
Other 		44.8%

World rating by programing language (country/rank)

Shell
 		21
C
 		24
Lua
 		25
C++
 		26
Rust
 		26

* More analytics for signed in users.